Ali Al-Hawasy, Jamil A., and Eman H. Al-Rawdanee. “Numerical Solution for Classical Optimal Control Problem Governing by Hyperbolic Partial Differential Equation via Galerkin Finite Element-Implicit Method With Gradient Projection Method”. Ibn AL-Haitham Journal For Pure and Applied Sciences 32, no. 2 (May 20, 2019): 71–80. Accessed November 24, 2024. https://jih.uobaghdad.edu.iq/index.php/j/article/view/2141.